Question

The diameter of a wheel is 70cm how many revolution will it make to travel 1.65km

Answer 1

Answer:

Hi mate

Your answer

1.65 km = 1.65 ×1000×100

=165000 cm

Radius = diameter /2

= 70/2

= 35 cm

Circumference = 2πr

= 2 (22/7) 35

= 220 cm

It means that 220 cm = 1 revolution

220 cm = 1 revolution

165000 cm = 165000/220

= 750 revolutions

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